Hi guys! This is my first post here, I have already learned a ton, using the archives.

I however have not been successful in locating any info on running the rigid tap calibration procedure that is laid out in the maintenance manual.

I have a good idea of how it works, it just seems with the 1000 RPM programmed rpm it would be hard to get good readings on the test indicator, what am I missing here?

A little more background on the machine, its a 1993 VMC20, it has a brand new Glentec spindle drive and a fully rebuilt spindle motor (installing the motor this weekend). I have a job coming up requiring lots of tapped holes and the last thing I need or want is lots of broken taps.

Thanks!

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